Ubuntu 20 has been using the toolchain from Ubuntu 18.
Since Ubuntu 20 has been added to the toolchain, this
switches Impala to use a toolchain with Ubuntu 20 support
and uses the Ubuntu 20 bits. This is expected to help
with IMPALA-10962.
Testing:
- Ran a core build on Ubuntu 20
Change-Id: If2394b668ef3c56b1a4c0773fd5e4ff92be4a846
Reviewed-on: http://gerrit.cloudera.org:8080/18559
Reviewed-by: Joe McDonnell <joemcdonnell@cloudera.com>
Reviewed-by: Michael Smith <michael.smith@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>